hepa

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    Need advice on intake filter

    Hey everyone. I’m looking for an intake filter for a 6” fan. I’ve read that it’s possible to use various hepa filters and such, instead of getting something like a Phresh filter. What do you all use? & how do you attach it to your fan/ducting? Links and/or pics would be amazing. I’ll be...
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    Should you filter intake air for air-cooled lights?

    Hey everybody, What do you think? Should the intake for air cooled lights be filtered? Not the intake for the grow room itself, only air that is cooling the reflectors. If so, would a bug screen be sufficient or is a more heavy duty filter like Phresh or HEPA needed?
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